The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 07, 2004

Filed:

Jan. 21, 2003
Applicant:
Inventors:

Ritsuo Fujii, Hachioji, JP;

Seiji Yamaguchi, Hachioji, JP;

Hiroshi Isokawa, Hachioji, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 1/508 ;
U.S. Cl.
CPC ...
G03G 1/508 ;
Abstract

This invention relates to a toner replenishing method including the steps of conveying, from a toner storing section which forms a fluid mixture of toner and air, the fluid mixture to a toner separating section provided away from the toner storing section through toner supplying fluid conveying system, separating the toner from air in the toner separating section, and supplying the toner from the toner separating section to a developing unit, and a toner replenishing unit which practices the toner replenishing method. The toner replenishing method of the invention further includes the step of returning part of air separated from the toner from the toner separating section to the toner storing section by using a returning fluid conveying system. The toner replenishing unit of the present invention includes a returning fluid conveying system between the toner storing section and the toner separating section. A path through which the fluid mixture meanders in the toner separating section is formed in the toner separating section.


Find Patent Forward Citations

Loading…